world.add(body3);
Body body4 = new Body("Mover3", new Circle(15), 10.0f);
body4.setPosition(250.0f, 70.0f);
world.add(body4);
Joint j = new FixedJoint(body2,body3);
world.add(j);
j = new FixedJoint(body3,body4);
world.add(j);
j = new FixedJoint(body2,body5);
world.add(j);